CVE-2026-86498: JetBrains Youtrack

High severity, CVSS 7.7. EPSS: 0.3% chance of exploitation in the next 30 days.

In JetBrains YouTrack before 2025.3.160480, 2026.1.14047 pUT requests on link sub-resources allowed modification linked entities without update permission

Affected products

Published 2026-09-07. Last modified 2026-09-08.